What is a G1?

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K4IBC
Posts: 79
Joined: Sun Apr 09, 2017 7:31 pm

What is a G1?

Post by K4IBC »

Just saw the listing of a new model called the G1. Looking at it seems to be a single ADC. I thought at first a stripped down version of the G2.

Looking at the back of the radio it doesn't appear to be a stripped down G2. There are no USB or HDMI connectors. There is a bootloader switch on the back. Instead of a pushbutton there is a rocker switch for power on the front.

Does this follow along in the lines of using an RPi CM module? There is no architecture diagram like usual.

https://apache-labs.com/product-detail/ ... ransceiver
Trucker
Posts: 460
Joined: Wed Nov 03, 2021 5:16 pm

Re: What is a G1?

Post by Trucker »

Reading the specifications for the radio it is more like a 7000 MKII . No Raspberry Pi CM4 module so, it will have to do like the older models and emulate the Ethernet Protocol in the FPGA. Since it only mentions one ADC, it won't do Diversity Reception. It's more of a lower priced, single ADC 7000.
James
WD5GWY
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w-u-2-o
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Joined: Fri Mar 10, 2017 1:47 pm

Re: What is a G1?

Post by w-u-2-o »

Yeah, it's like an ANAN-100 and a 7000 had a baby :D

It looks like a good effort to get the cost down for a 16 bit direct-sampling receiver.

It's still hard to beat an HL2 + 100W PA for around $700, but we have to remember that the HL2 has only a 12 bit ADC. To move up to a 14 bit ADC you could do one of the new 10E's + 100W PA for about $1100, right around the price point of the IC-7300.
K4IBC
Posts: 79
Joined: Sun Apr 09, 2017 7:31 pm

Re: What is a G1?

Post by K4IBC »

A single ADC so no diversity receive. That is not a problem that can't be solved with small footprint receive antennas. I would love to see an inside the case view. Also if it is just an FPGA and no compute module, what is the EOL of the FPGA?

Would not want to place myself in a situation down the road of firmware because they had to change to a different FPGA.
Trucker
Posts: 460
Joined: Wed Nov 03, 2021 5:16 pm

Re: What is a G1?

Post by Trucker »

The Intel Cyclone 10 LP FPGA is a current product available from several sources. So, for the time being, it shouldn't be a problem sourcing them. Mouser currently stocks them.
James
WD5GWY

No,there isn't a Raspberry Pi CM4 module in it. It is like Scott said, it's more like a 100 ( single ADC) and a 7000 ( for the case color and style) got together and had a child. It's not a bad design idea. And a little less to fiddle with when updates occur. ( no Linux OS to contend with, just the firmware and Thetis for Windows. And if you want, PiHPSDR on your own Raspberry Pi. )
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